255 lines
10 KiB
C
255 lines
10 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the device handler.
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*
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*
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*
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* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
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* Miran Grca, <mgrca8@gmail.com>
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* Sarah Walker, <https://pcem-emulator.co.uk/>
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*
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* Copyright 2017-2019 Fred N. van Kempen.
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2008-2019 Sarah Walker.
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* Copyright 2021 Andreas J. Reichel.
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* Copyright 2021-2022 Jasmine Iwanek.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#ifndef EMU_DEVICE_H
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#define EMU_DEVICE_H
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#define CONFIG_END -1 /* N/A */
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#define CONFIG_SHIFT 4
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#define CONFIG_TYPE_INT (0 << CONFIG_SHIFT)
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#define CONFIG_TYPE_STRING (1 << CONFIG_SHIFT)
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#define CONFIG_TYPE_HEX16 (2 << CONFIG_SHIFT)
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#define CONFIG_TYPE_HEX20 (3 << CONFIG_SHIFT)
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#define CONFIG_TYPE_MAC (4 << CONFIG_SHIFT)
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#define CONFIG_INT (0 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_BINARY (1 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_SELECTION (2 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_MIDI_OUT (3 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_SPINNER (4 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_MIDI_IN (5 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_MEMORY (6 | CONFIG_TYPE_INT) /* config_get_int() */
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#define CONFIG_STRING (0 | CONFIG_TYPE_STRING) /* config_get_string() */
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#define CONFIG_FNAME (1 | CONFIG_TYPE_STRING) /* config_get_string() */
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#define CONFIG_SERPORT (2 | CONFIG_TYPE_STRING) /* config_get_string() */
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#define CONFIG_BIOS (3 | CONFIG_TYPE_STRING) /* config_get_string() */
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#define CONFIG_HEX16 (0 | CONFIG_TYPE_HEX16) /* config_get_hex16() */
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#define CONFIG_HEX20 (0 | CONFIG_TYPE_HEX20) /* config_get_hex20() */
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#define CONFIG_MAC (0 | CONFIG_TYPE_MAC) /* N/A */
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#define CONFIG_SUBTYPE_MASK (CONFIG_IS_STRING - 1)
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#define CONFIG_DEP (16 << CONFIG_SHIFT)
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#define CONFIG_TYPE_MASK (CONFIG_DEP - 1)
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// #define CONFIG_ONBOARD 256 /* only avaialble on the on-board variant */
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// #define CONFIG_STANDALONE 257 /* not available on the on-board variant */
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enum {
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DEVICE_PCJR = 2, /* requires an IBM PCjr */
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DEVICE_XTKBC = 4, /* requires an XT-compatible keyboard controller */
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DEVICE_AT = 8, /* requires an AT-compatible system */
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DEVICE_ATKBC = 0x10, /* requires an AT-compatible keyboard controller */
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DEVICE_PS2 = 0x20, /* requires a PS/1 or PS/2 system */
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DEVICE_ISA = 0x40, /* requires the ISA bus */
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DEVICE_CBUS = 0x80, /* requires the C-BUS bus */
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DEVICE_PCMCIA = 0x100, /* requires the PCMCIA bus */
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DEVICE_MCA = 0x200, /* requires the MCA bus */
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DEVICE_HIL = 0x400, /* requires the HP HIL bus */
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DEVICE_EISA = 0x800, /* requires the EISA bus */
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DEVICE_AT32 = 0x1000, /* requires the Mylex AT/32 local bus */
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DEVICE_OLB = 0x2000, /* requires the OPTi local bus */
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DEVICE_VLB = 0x4000, /* requires the VLB bus */
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DEVICE_PCI = 0x8000, /* requires the PCI bus */
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DEVICE_CARDBUS = 0x10000, /* requires the CardBus bus */
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DEVICE_USB = 0x20000, /* requires the USB bus */
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DEVICE_AGP = 0x40000, /* requires the AGP bus */
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DEVICE_AC97 = 0x80000, /* requires the AC'97 bus */
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DEVICE_COM = 0x100000, /* requires a serial port */
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DEVICE_LPT = 0x200000, /* requires a parallel port */
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DEVICE_KBC = 0x400000, /* is a keyboard controller */
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DEVICE_ONBOARD = 0x40000000, /* is on-board */
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DEVICE_PIT = 0x80000000, /* device is a PIT */
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DEVICE_ALL = 0xffffffff /* match all devices */
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};
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#define BIOS_NORMAL 0
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#define BIOS_INTERLEAVED 1
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#define BIOS_INTERLEAVED_SINGLEFILE 2
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#define BIOS_INTERLEAVED_QUAD 3
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#define BIOS_INTERLEAVED_QUAD_SINGLEFILE 4
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#define BIOS_INTEL_AMI 5
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#define BIOS_INTERLEAVED_INVERT 8
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#define BIOS_HIGH_BIT_INVERT 16
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#define device_common_config_t \
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const char *name; \
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const char *description; \
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int type; \
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const char *default_string; \
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int default_int; \
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const char *file_filter; \
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const device_config_spinner_t spinner; \
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const device_config_selection_t selection[32]
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typedef struct device_config_selection_t {
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const char *description;
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int value;
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} device_config_selection_t;
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typedef struct device_config_spinner_t {
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int16_t min;
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int16_t max;
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int16_t step;
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} device_config_spinner_t;
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typedef struct _device_dep_config_ {
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device_common_config_t;
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} device_dep_config_t;
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typedef struct device_config_bios_t {
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const char *name;
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const char *internal_name;
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int bios_type;
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int files_no;
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uint32_t local;
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uint32_t size;
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void *dev1;
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void *dev2;
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const char *files[9];
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/* Configuration options that depend on the device variant.
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To prevent excessive nesting, there is no CONFIG_BIOS
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option a dep_config struct */
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const device_dep_config_t *dep_config;
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} device_config_bios_t;
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typedef struct _device_config_ {
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device_common_config_t;
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const device_config_bios_t bios[32];
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} device_config_t;
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typedef struct _device_ {
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const char *name;
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const char *internal_name;
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uint32_t flags; /* system flags */
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uintptr_t local; /* flags local to device */
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union {
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void *(*init)(const struct _device_ *);
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void *(*init_ext)(const struct _device_ *, void*);
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};
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void (*close)(void *priv);
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void (*reset)(void *priv);
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union {
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int (*available)(void);
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int (*poll)(void *priv);
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};
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void (*speed_changed)(void *priv);
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void (*force_redraw)(void *priv);
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const device_config_t *config;
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} device_t;
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typedef struct device_context_t {
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const device_t *dev;
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char name[2048];
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int instance;
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} device_context_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void device_init(void);
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extern void device_set_context(device_context_t *c, const device_t *dev, int inst);
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extern void device_context(const device_t *dev);
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extern void device_context_inst(const device_t *dev, int inst);
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extern void device_context_restore(void);
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extern void *device_add(const device_t *d);
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extern void *device_add_linked(const device_t *d, void *priv);
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extern void *device_add_params(const device_t *dev, void *params);
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extern void device_add_ex(const device_t *dev, void *priv);
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extern void device_add_ex_params(const device_t *dev, void *priv, void *params);
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extern void *device_add_inst(const device_t *dev, int inst);
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extern void *device_add_inst_params(const device_t *dev, int inst, void *params);
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extern void device_add_inst_ex(const device_t *dev, void *priv, int inst);
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extern void device_add_inst_ex_params(const device_t *dev, void *priv, int inst, void *params);
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extern void *device_get_common_priv(void);
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extern void device_close_all(void);
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extern void device_reset_all(uint32_t match_flags);
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extern void *device_find_first_priv(uint32_t match_flags);
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extern void *device_get_priv(const device_t *dev);
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extern int device_available(const device_t *dev);
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extern int device_poll(const device_t *dev);
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extern void device_speed_changed(void);
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extern void device_force_redraw(void);
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extern void device_get_name(const device_t *dev, int bus, char *name);
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extern int device_has_config(const device_t *dev);
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extern const char *device_get_bios_file(const device_t *dev, const char *internal_name, int file_no);
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extern int device_is_valid(const device_t *, int m);
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extern const device_t* device_context_get_device(void);
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extern int device_get_config_int(const char *name);
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extern int device_get_config_int_ex(const char *s, int dflt_int);
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extern int device_get_config_hex16(const char *name);
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extern int device_get_config_hex20(const char *name);
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extern int device_get_config_mac(const char *name, int dflt_int);
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extern void device_set_config_int(const char *s, int val);
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extern void device_set_config_hex16(const char *s, int val);
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extern void device_set_config_hex20(const char *s, int val);
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extern void device_set_config_mac(const char *s, int val);
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extern const char *device_get_config_string(const char *name);
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extern int device_get_instance(void);
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#define device_get_config_bios device_get_config_string
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extern const char *device_get_internal_name(const device_t *dev);
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extern int machine_get_config_int(char *s);
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extern char *machine_get_config_string(char *s);
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extern const device_t device_none;
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extern const device_t device_internal;
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_DEVICE_H*/
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